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<li class="navelem"><a class="el" href="dir_d422163b96683743ed3963d4aac17747.html">app</a></li><li class="navelem"><a class="el" href="dir_a8f641299cfea9f7461c2df1141b7786.html">src</a></li><li class="navelem"><a class="el" href="dir_82a1580e18717db72c05fda59883f1c3.html">main</a></li><li class="navelem"><a class="el" href="dir_1de4c656ac13df1c842261eff08f398a.html">jni</a></li><li class="navelem"><a class="el" href="dir_5f805fe06ae8d12a67b7bc90b0b82f78.html">netguard</a></li>  </ul>
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  <div class="headertitle"><div class="title">netguard.h</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="preprocessor">#include &lt;jni.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="preprocessor">#include &lt;ctype.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="preprocessor">#include &lt;time.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#include &lt;unistd.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#include &lt;pthread.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="preprocessor">#include &lt;setjmp.h&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#include &lt;fcntl.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="preprocessor">#include &lt;dirent.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="preprocessor">#include &lt;poll.h&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="preprocessor">#include &lt;sys/types.h&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="preprocessor">#include &lt;sys/socket.h&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">#include &lt;sys/epoll.h&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">#include &lt;dlfcn.h&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="preprocessor">#include &lt;sys/stat.h&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="preprocessor">#include &lt;sys/resource.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &lt;netdb.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &lt;arpa/inet.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &lt;netinet/in.h&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &lt;netinet/in6.h&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;netinet/ip.h&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;netinet/ip6.h&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#include &lt;netinet/udp.h&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#include &lt;netinet/tcp.h&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &lt;netinet/ip_icmp.h&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &lt;netinet/icmp6.h&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &lt;android/log.h&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &lt;sys/system_properties.h&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#define TAG &quot;TrackerControl.JNI&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment">// #define PROFILE_JNI 5</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">// #define PROFILE_MEMORY</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#define EPOLL_TIMEOUT 3600 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#define EPOLL_EVENTS 20</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#define EPOLL_MIN_CHECK 100 </span><span class="comment">// milliseconds</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="preprocessor">#define TUN_YIELD 10 </span><span class="comment">// packets</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#define ICMP4_MAXMSG (IP_MAXPACKET - 20 - 8) </span><span class="comment">// bytes (socket)</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#define ICMP6_MAXMSG (IPV6_MAXPACKET - 40 - 8) </span><span class="comment">// bytes (socket)</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="preprocessor">#define UDP4_MAXMSG (IP_MAXPACKET - 20 - 8) </span><span class="comment">// bytes (socket)</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="preprocessor">#define UDP6_MAXMSG (IPV6_MAXPACKET - 40 - 8) </span><span class="comment">// bytes (socket)</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="preprocessor">#define ICMP_TIMEOUT 5 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#define UDP_TIMEOUT_53 15 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="preprocessor">#define UDP_TIMEOUT_ANY 300 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#define UDP_KEEP_TIMEOUT 60 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="preprocessor">#define UDP_YIELD 10 </span><span class="comment">// packets</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#define TCP_INIT_TIMEOUT 20 </span><span class="comment">// seconds ~net.inet.tcp.keepinit</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="preprocessor">#define TCP_IDLE_TIMEOUT 3600 </span><span class="comment">// seconds ~net.inet.tcp.keepidle</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#define TCP_CLOSE_TIMEOUT 20 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#define TCP_KEEP_TIMEOUT 300 </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">// https://en.wikipedia.org/wiki/Maximum_segment_lifetime</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="preprocessor">#define SESSION_LIMIT 40 </span><span class="comment">// percent</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="preprocessor">#define SESSION_MAX (1024 * SESSION_LIMIT / 100) </span><span class="comment">// number</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="preprocessor">#define SEND_BUF_DEFAULT 163840 </span><span class="comment">// bytes</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#define UID_MAX_AGE 30000 </span><span class="comment">// milliseconds</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">#define SOCKS5_NONE 1</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="preprocessor">#define SOCKS5_HELLO 2</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">#define SOCKS5_AUTH 3</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#define SOCKS5_CONNECT 4</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="preprocessor">#define SOCKS5_CONNECTED 5</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="structcontext.html">   78</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structcontext.html">context</a> {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    pthread_mutex_t lock;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    <span class="keywordtype">int</span> pipefds[2];</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    <span class="keywordtype">int</span> stopping;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <span class="keywordtype">int</span> sdk;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    <span class="keyword">struct </span><a class="code hl_struct" href="structng__session.html">ng_session</a> *<a class="code hl_struct" href="structng__session.html">ng_session</a>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>};</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="structarguments.html">   86</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structarguments.html">arguments</a> {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    JNIEnv *env;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    jobject instance;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="keywordtype">int</span> tun;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    jboolean fwd53;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    jint rcode;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keyword">struct </span><a class="code hl_struct" href="structcontext.html">context</a> *ctx;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>};</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"><a class="line" href="structallowed.html">   95</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structallowed.html">allowed</a> {</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    <span class="keywordtype">char</span> raddr[INET6_ADDRSTRLEN + 1];</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    uint16_t rport; <span class="comment">// host notation</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>};</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="structsegment.html">  100</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structsegment.html">segment</a> {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>    uint32_t seq;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    uint16_t len;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    uint16_t sent;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    <span class="keywordtype">int</span> psh;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    uint8_t *data;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <span class="keyword">struct </span><a class="code hl_struct" href="structsegment.html">segment</a> *next;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>};</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="structicmp__session.html">  109</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structicmp__session.html">icmp_session</a> {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    time_t time;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    jint uid;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>    <span class="keywordtype">int</span> version;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    } saddr;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    } daddr;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    uint16_t id;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    uint8_t stop;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>};</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="preprocessor">#define UDP_ACTIVE 0</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="preprocessor">#define UDP_FINISHING 1</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="preprocessor">#define UDP_CLOSED 2</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="preprocessor">#define UDP_BLOCKED 3</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="structudp__session.html">  134</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structudp__session.html">udp_session</a> {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    time_t time;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    jint uid;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="keywordtype">int</span> version;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    uint16_t mss;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    uint64_t sent;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>    uint64_t received;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    } saddr;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>    __be16 source; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>    } daddr;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    __be16 dest; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>    uint8_t state;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>};</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="structtcp__session.html">  158</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structtcp__session.html">tcp_session</a> {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>    jint uid;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>    time_t time;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    <span class="keywordtype">int</span> version;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    uint16_t mss;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    uint8_t recv_scale;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    uint8_t send_scale;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    uint32_t recv_window; <span class="comment">// host notation, scaled</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    uint32_t send_window; <span class="comment">// host notation, scaled</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    uint16_t unconfirmed; <span class="comment">// packets</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>    uint32_t remote_seq; <span class="comment">// confirmed bytes received, host notation</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    uint32_t local_seq; <span class="comment">// confirmed bytes sent, host notation</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>    uint32_t remote_start;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>    uint32_t local_start;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    uint32_t acked; <span class="comment">// host notation</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>    <span class="keywordtype">long</span> <span class="keywordtype">long</span> last_keep_alive;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    uint64_t sent;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    uint64_t received;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    } saddr;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    __be16 source; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>        __be32 ip4; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>        <span class="keyword">struct </span>in6_addr ip6;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    } daddr;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>    __be16 dest; <span class="comment">// network notation</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    uint8_t state;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>    uint8_t socks5;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    <span class="keyword">struct </span><a class="code hl_struct" href="structsegment.html">segment</a> *forward;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>    <span class="keywordtype">int</span> checkedHostname;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>};</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"><a class="line" href="structng__session.html">  199</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structng__session.html">ng_session</a> {</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    uint8_t protocol;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>    <span class="keyword">union </span>{</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>        <span class="keyword">struct </span><a class="code hl_struct" href="structicmp__session.html">icmp_session</a> icmp;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        <span class="keyword">struct </span><a class="code hl_struct" href="structudp__session.html">udp_session</a> udp;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        <span class="keyword">struct </span><a class="code hl_struct" href="structtcp__session.html">tcp_session</a> tcp;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    };</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    jint socket;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    <span class="keyword">struct </span>epoll_event ev;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>    <span class="keyword">struct </span><a class="code hl_struct" href="structng__session.html">ng_session</a> *next;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>};</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="structuid__cache__entry.html">  211</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structuid__cache__entry.html">uid_cache_entry</a> {</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    uint8_t version;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>    uint8_t protocol;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>    uint8_t saddr[16];</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    uint16_t sport;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    uint8_t daddr[16];</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    uint16_t dport;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    jint uid;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    <span class="keywordtype">long</span> time;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>};</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">// IPv6</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"><a class="line" href="structip6__hdr__pseudo.html">  224</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structip6__hdr__pseudo.html">ip6_hdr_pseudo</a> {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    <span class="keyword">struct </span>in6_addr ip6ph_src;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    <span class="keyword">struct </span>in6_addr ip6ph_dst;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    u_int32_t ip6ph_len;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    u_int8_t ip6ph_zero[3];</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    u_int8_t ip6ph_nxt;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>} __packed;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">// PCAP</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="comment">// https://wiki.wireshark.org/Development/LibpcapFileFormat</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="keyword">typedef</span> uint16_t guint16_t;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="keyword">typedef</span> uint32_t guint32_t;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="keyword">typedef</span> int32_t gint32_t;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"><a class="line" href="structpcap__hdr__s.html">  239</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structpcap__hdr__s.html">pcap_hdr_s</a> {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    guint32_t magic_number;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>    guint16_t version_major;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>    guint16_t version_minor;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    gint32_t thiszone;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>    guint32_t sigfigs;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>    guint32_t snaplen;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    guint32_t network;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>} __packed <a class="code hl_struct" href="structpcap__hdr__s.html">pcap_hdr_s</a>;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="structpcaprec__hdr__s.html">  249</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structpcaprec__hdr__s.html">pcaprec_hdr_s</a> {</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    guint32_t ts_sec;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    guint32_t ts_usec;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>    guint32_t incl_len;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    guint32_t orig_len;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>} __packed <a class="code hl_struct" href="structpcaprec__hdr__s.html">pcaprec_hdr_s</a>;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="preprocessor">#define LINKTYPE_RAW 101</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment">// DNS</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="preprocessor">#define DNS_QCLASS_IN 1</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="preprocessor">#define DNS_QTYPE_A 1 </span><span class="comment">// IPv4</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="preprocessor">#define DNS_QTYPE_AAAA 28 </span><span class="comment">// IPv6</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="preprocessor">#define DNS_SVCB 64</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="preprocessor">#define DNS_HTTPS 65</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="preprocessor">#define DNS_QNAME_MAX 255</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="preprocessor">#define DNS_TTL (10 * 60) </span><span class="comment">// seconds</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"><a class="line" href="structdns__header.html">  270</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structdns__header.html">dns_header</a> {</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    uint16_t id; <span class="comment">// identification number</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="preprocessor"># if __BYTE_ORDER == __LITTLE_ENDIAN</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>    uint16_t rd :1; <span class="comment">// recursion desired</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>    uint16_t tc :1; <span class="comment">// truncated message</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    uint16_t aa :1; <span class="comment">// authoritive answer</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    uint16_t opcode :4; <span class="comment">// purpose of message</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    uint16_t qr :1; <span class="comment">// query/response flag</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    uint16_t rcode :4; <span class="comment">// response code</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    uint16_t cd :1; <span class="comment">// checking disabled</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    uint16_t ad :1; <span class="comment">// authenticated data</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    uint16_t z :1; <span class="comment">// its z! reserved</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    uint16_t ra :1; <span class="comment">// recursion available</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="preprocessor">#elif __BYTE_ORDER == __BIG_ENDIAN</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>    uint16_t qr :1; <span class="comment">// query/response flag</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    uint16_t opcode :4; <span class="comment">// purpose of message</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>    uint16_t aa :1; <span class="comment">// authoritive answer</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>    uint16_t tc :1; <span class="comment">// truncated message</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    uint16_t rd :1; <span class="comment">// recursion desired</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>    uint16_t ra :1; <span class="comment">// recursion available</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>    uint16_t z :1; <span class="comment">// its z! reserved</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    uint16_t ad :1; <span class="comment">// authenticated data</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>    uint16_t cd :1; <span class="comment">// checking disabled</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>    uint16_t rcode :4; <span class="comment">// response code</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="preprocessor"># else</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="preprocessor"># error &quot;Adjust your &lt;bits/endian.h&gt; defines&quot;</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    uint16_t q_count; <span class="comment">// number of question entries</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    uint16_t ans_count; <span class="comment">// number of answer entries</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>    uint16_t auth_count; <span class="comment">// number of authority entries</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    uint16_t add_count; <span class="comment">// number of resource entries</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>} __packed;</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"><a class="line" href="structdns__rr.html">  303</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structdns__rr.html">dns_rr</a> {</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>    __be16 qname_ptr;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>    __be16 qtype;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>    __be16 qclass;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>    __be32 ttl;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    __be16 rdlength;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>} __packed <a class="code hl_struct" href="structdns__rr.html">dns_rr</a>;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">// DHCP</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="preprocessor">#define DHCP_OPTION_MAGIC_NUMBER (0x63825363)</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"><a class="line" href="structdhcp__packet.html">  315</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structdhcp__packet.html">dhcp_packet</a> {</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    uint8_t opcode;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>    uint8_t htype;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>    uint8_t hlen;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>    uint8_t hops;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>    uint32_t xid;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>    uint16_t secs;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>    uint16_t flags;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>    uint32_t ciaddr;</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>    uint32_t yiaddr;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>    uint32_t siaddr;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>    uint32_t giaddr;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>    uint8_t chaddr[16];</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>    uint8_t sname[64];</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>    uint8_t file[128];</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>    uint32_t option_format;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>} __packed <a class="code hl_struct" href="structdhcp__packet.html">dhcp_packet</a>;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span> </div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"><a class="line" href="structdhcp__option.html">  333</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structdhcp__option.html">dhcp_option</a> {</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    uint8_t code;</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>    uint8_t length;</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>} __packed <a class="code hl_struct" href="structdhcp__option.html">dhcp_option</a>;</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span> </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="comment">// Prototypes</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span><span class="keywordtype">void</span> handle_signal(<span class="keywordtype">int</span> sig, siginfo_t *info, <span class="keywordtype">void</span> *<a class="code hl_struct" href="structcontext.html">context</a>);</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span><span class="keywordtype">void</span> *handle_events(<span class="keywordtype">void</span> *a);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="keywordtype">void</span> report_exit(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span> </div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="keywordtype">void</span> report_error(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, jint error, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...);</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span> </div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="keywordtype">void</span> check_allowed(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args);</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="keywordtype">void</span> clear(<span class="keyword">struct</span> <a class="code hl_struct" href="structcontext.html">context</a> *ctx);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span> </div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="keywordtype">int</span> check_icmp_session(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>                       <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *s,</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>                       <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="keywordtype">int</span> check_udp_session(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>                      <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *s,</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>                      <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span> </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="keywordtype">int</span> check_tcp_session(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>                      <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *s,</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>                      <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span> </div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="keywordtype">int</span> monitor_tcp_session(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *s, <span class="keywordtype">int</span> epoll_fd);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="keywordtype">int</span> get_icmp_timeout(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structicmp__session.html">icmp_session</a> *u, <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span> </div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="keywordtype">int</span> get_udp_timeout(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structudp__session.html">udp_session</a> *u, <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="keywordtype">int</span> get_tcp_timeout(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *t, <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>uint16_t get_mtu();</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span> </div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>uint16_t get_default_mss(<span class="keywordtype">int</span> version);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span> </div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="keywordtype">int</span> check_tun(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>              <span class="keyword">const</span> <span class="keyword">struct</span> epoll_event *ev,</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>              <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd,</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>              <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span> </div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="keywordtype">void</span> check_icmp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> epoll_event *ev);</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span> </div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="keywordtype">void</span> check_udp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> epoll_event *ev);</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span> </div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>int32_t get_qname(<span class="keyword">const</span> uint8_t *data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> datalen, uint16_t off, <span class="keywordtype">char</span> *qname);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="keywordtype">void</span> parse_dns_response(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *session,</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>                        <span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> *datalen);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span> </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>uint32_t get_send_window(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span> </div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>uint32_t get_receive_buffer(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *cur);</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span> </div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>uint32_t get_receive_window(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structng__session.html">ng_session</a> *cur);</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span> </div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="keywordtype">void</span> check_tcp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>                      <span class="keyword">const</span> <span class="keyword">struct</span> epoll_event *ev,</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>                      <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd);</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span> </div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="keywordtype">int</span> is_lower_layer(<span class="keywordtype">int</span> protocol);</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span> </div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="keywordtype">int</span> is_upper_layer(<span class="keywordtype">int</span> protocol);</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="keywordtype">void</span> handle_ip(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>               <span class="keyword">const</span> uint8_t *buffer, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>               <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd,</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>               <span class="keywordtype">int</span> sessions, <span class="keywordtype">int</span> maxsessions);</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span> </div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>jboolean handle_icmp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>                     <span class="keyword">const</span> uint8_t *pkt, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>                     <span class="keyword">const</span> uint8_t *payload,</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>                     <span class="keywordtype">int</span> uid,</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>                     <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd);</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span> </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="keywordtype">int</span> has_udp_session(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> uint8_t *pkt, <span class="keyword">const</span> uint8_t *payload);</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="keywordtype">void</span> block_udp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>               <span class="keyword">const</span> uint8_t *pkt, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>               <span class="keyword">const</span> uint8_t *payload,</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>               <span class="keywordtype">int</span> uid);</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>jboolean handle_udp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>                    <span class="keyword">const</span> uint8_t *pkt, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>                    <span class="keyword">const</span> uint8_t *payload,</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>                    <span class="keywordtype">int</span> uid, <span class="keyword">struct</span> <a class="code hl_struct" href="structallowed.html">allowed</a> *redirect,</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>                    <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd);</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span> </div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="keywordtype">int</span> check_dhcp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structudp__session.html">udp_session</a> *u,</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>               <span class="keyword">const</span> uint8_t *data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> datalen);</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span> </div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="keywordtype">void</span> clear_tcp_data(<span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span> </div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>jboolean handle_tcp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>                    <span class="keyword">const</span> uint8_t *pkt, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>                    <span class="keyword">const</span> uint8_t *payload,</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>                    <span class="keywordtype">int</span> uid, <span class="keywordtype">int</span> <a class="code hl_struct" href="structallowed.html">allowed</a>, <span class="keyword">struct</span> <a class="code hl_struct" href="structallowed.html">allowed</a> *redirect,</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>                    <span class="keyword">const</span> <span class="keywordtype">int</span> epoll_fd);</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span><span class="keywordtype">void</span> queue_tcp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>               <span class="keyword">const</span> <span class="keyword">struct</span> tcphdr *tcphdr,</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>               <span class="keyword">const</span> <span class="keywordtype">char</span> *session, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur,</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>               <span class="keyword">const</span> uint8_t *data, uint16_t datalen);</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span> </div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span><span class="keywordtype">int</span> open_icmp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structicmp__session.html">icmp_session</a> *cur);</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span><span class="keywordtype">int</span> open_udp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>                    <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structudp__session.html">udp_session</a> *cur, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structallowed.html">allowed</a> *redirect);</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span> </div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span><span class="keywordtype">int</span> open_tcp_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>                    <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structallowed.html">allowed</a> *redirect);</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>int32_t get_local_port(<span class="keyword">const</span> <span class="keywordtype">int</span> sock);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span> </div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span><span class="keywordtype">int</span> write_syn_ack(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span><span class="keywordtype">int</span> write_ack(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span> </div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span><span class="keywordtype">int</span> write_data(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur,</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>               <span class="keyword">const</span> uint8_t *buffer, <span class="keywordtype">size_t</span> length);</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="keywordtype">int</span> write_fin_ack(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="keywordtype">void</span> write_rst(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="keywordtype">void</span> write_rst_ack(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur);</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>ssize_t write_icmp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structicmp__session.html">icmp_session</a> *cur,</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>                   uint8_t *data, <span class="keywordtype">size_t</span> datalen);</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span> </div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>ssize_t write_udp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structudp__session.html">udp_session</a> *cur,</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>                  uint8_t *data, <span class="keywordtype">size_t</span> datalen);</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>ssize_t write_tcp(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structtcp__session.html">tcp_session</a> *cur,</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>                  <span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> datalen,</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>                  <span class="keywordtype">int</span> syn, <span class="keywordtype">int</span> ack, <span class="keywordtype">int</span> fin, <span class="keywordtype">int</span> rst);</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span> </div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>uint8_t char2nible(<span class="keyword">const</span> <span class="keywordtype">char</span> c);</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span><span class="keywordtype">void</span> hex2bytes(<span class="keyword">const</span> <span class="keywordtype">char</span> *hex, uint8_t *buffer);</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>jint get_uid(<span class="keyword">const</span> <span class="keywordtype">int</span> version, <span class="keyword">const</span> <span class="keywordtype">int</span> protocol,</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>             <span class="keyword">const</span> <span class="keywordtype">void</span> *saddr, <span class="keyword">const</span> uint16_t sport,</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>             <span class="keyword">const</span> <span class="keywordtype">void</span> *daddr, <span class="keyword">const</span> uint16_t dport);</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span> </div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>jint get_uid_sub(<span class="keyword">const</span> <span class="keywordtype">int</span> version, <span class="keyword">const</span> <span class="keywordtype">int</span> protocol,</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>                 <span class="keyword">const</span> <span class="keywordtype">void</span> *saddr, <span class="keyword">const</span> uint16_t sport,</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>                 <span class="keyword">const</span> <span class="keywordtype">void</span> *daddr, <span class="keyword">const</span> uint16_t dport,</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>                 <span class="keyword">const</span> <span class="keywordtype">char</span> *source, <span class="keyword">const</span> <span class="keywordtype">char</span> *dest,</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>                 <span class="keywordtype">long</span> now);</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span><span class="keywordtype">int</span> protect_socket(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keywordtype">int</span> socket);</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span> </div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>uint16_t calc_checksum(uint16_t start, <span class="keyword">const</span> uint8_t *buffer, <span class="keywordtype">size_t</span> length);</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span> </div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>jobject jniGlobalRef(JNIEnv *env, jobject cls);</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span> </div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>jclass jniFindClass(JNIEnv *env, <span class="keyword">const</span> <span class="keywordtype">char</span> *name);</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span> </div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>jmethodID jniGetMethodID(JNIEnv *env, jclass cls, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *signature);</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span> </div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>jfieldID jniGetFieldID(JNIEnv *env, jclass cls, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *type);</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span> </div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>jobject jniNewObject(JNIEnv *env, jclass cls, jmethodID constructor, <span class="keyword">const</span> <span class="keywordtype">char</span> *name);</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span><span class="keywordtype">int</span> jniCheckException(JNIEnv *env);</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span><span class="keywordtype">int</span> sdk_int(JNIEnv *env);</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span> </div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span><span class="keywordtype">void</span> log_android(<span class="keywordtype">int</span> prio, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...);</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span> </div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span><span class="keywordtype">void</span> log_packet(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, jobject jpacket);</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span> </div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span><span class="keywordtype">void</span> dns_resolved(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>                  <span class="keyword">const</span> <span class="keywordtype">char</span> *qname, <span class="keyword">const</span> <span class="keywordtype">char</span> *aname, <span class="keyword">const</span> <span class="keywordtype">char</span> *resource, <span class="keywordtype">int</span> ttl);</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span> </div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>jboolean is_domain_blocked(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, <span class="keyword">const</span> <span class="keywordtype">char</span> *name);</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span> </div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>jint get_uid_q(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>               jint version,</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>               jint protocol,</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>               <span class="keyword">const</span> <span class="keywordtype">char</span> *source,</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>               jint sport,</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>               <span class="keyword">const</span> <span class="keywordtype">char</span> *dest,</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>               jint dport);</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span> </div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span><span class="keyword">struct </span><a class="code hl_struct" href="structallowed.html">allowed</a> *is_address_allowed(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, jobject objPacket);</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span> </div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>jobject create_packet(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args,</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>                      jint version,</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>                      jint protocol,</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>                      <span class="keyword">const</span> <span class="keywordtype">char</span> *flags,</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>                      <span class="keyword">const</span> <span class="keywordtype">char</span> *source,</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>                      jint sport,</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>                      <span class="keyword">const</span> <span class="keywordtype">char</span> *dest,</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>                      jint dport,</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>                      <span class="keyword">const</span> <span class="keywordtype">char</span> *data,</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>                      jint uid,</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>                      jboolean <a class="code hl_struct" href="structallowed.html">allowed</a>);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span> </div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span><span class="keywordtype">void</span> account_usage(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structarguments.html">arguments</a> *args, jint version, jint protocol,</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>                   <span class="keyword">const</span> <span class="keywordtype">char</span> *daddr, jint dport, jint uid, jlong sent, jlong received);</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span><span class="keywordtype">void</span> write_pcap_hdr();</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span><span class="keywordtype">void</span> write_pcap_rec(<span class="keyword">const</span> uint8_t *buffer, <span class="keywordtype">size_t</span> len);</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span> </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span><span class="keywordtype">void</span> write_pcap(<span class="keyword">const</span> <span class="keywordtype">void</span> *ptr, <span class="keywordtype">size_t</span> len);</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span><span class="keywordtype">int</span> compare_u32(uint32_t seq1, uint32_t seq2);</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span> </div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span><span class="keyword">const</span> <span class="keywordtype">char</span> *strstate(<span class="keyword">const</span> <span class="keywordtype">int</span> state);</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span> </div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span><span class="keywordtype">char</span> *hex(<span class="keyword">const</span> u_int8_t *data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> len);</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span><span class="keywordtype">int</span> is_readable(<span class="keywordtype">int</span> fd);</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span> </div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span><span class="keywordtype">int</span> is_writable(<span class="keywordtype">int</span> fd);</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span> </div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span><span class="keywordtype">long</span> <span class="keywordtype">long</span> get_ms();</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span> </div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span><span class="keywordtype">void</span> ng_add_alloc(<span class="keywordtype">void</span> *ptr, <span class="keyword">const</span> <span class="keywordtype">char</span> *tag);</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span> </div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span><span class="keywordtype">void</span> ng_delete_alloc(<span class="keywordtype">void</span> *ptr, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keywordtype">int</span> line);</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span> </div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span><span class="keywordtype">void</span> *ng_malloc(<span class="keywordtype">size_t</span> __byte_count, <span class="keyword">const</span> <span class="keywordtype">char</span> *tag);</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span> </div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span><span class="keywordtype">void</span> *ng_calloc(<span class="keywordtype">size_t</span> __item_count, <span class="keywordtype">size_t</span> __item_size, <span class="keyword">const</span> <span class="keywordtype">char</span> *tag);</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span> </div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span><span class="keywordtype">void</span> *ng_realloc(<span class="keywordtype">void</span> *__ptr, <span class="keywordtype">size_t</span> __byte_count, <span class="keyword">const</span> <span class="keywordtype">char</span> *tag);</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span> </div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span><span class="keywordtype">void</span> ng_free(<span class="keywordtype">void</span> *__ptr, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keywordtype">int</span> line);</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span> </div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span><span class="keywordtype">void</span> ng_dump();</div>
<div class="ttc" id="astructallowed_html"><div class="ttname"><a href="structallowed.html">allowed</a></div><div class="ttdef"><b>Definition:</b> netguard.h:95</div></div>
<div class="ttc" id="astructarguments_html"><div class="ttname"><a href="structarguments.html">arguments</a></div><div class="ttdef"><b>Definition:</b> netguard.h:86</div></div>
<div class="ttc" id="astructcontext_html"><div class="ttname"><a href="structcontext.html">context</a></div><div class="ttdef"><b>Definition:</b> netguard.h:78</div></div>
<div class="ttc" id="astructdhcp__option_html"><div class="ttname"><a href="structdhcp__option.html">dhcp_option</a></div><div class="ttdef"><b>Definition:</b> netguard.h:333</div></div>
<div class="ttc" id="astructdhcp__packet_html"><div class="ttname"><a href="structdhcp__packet.html">dhcp_packet</a></div><div class="ttdef"><b>Definition:</b> netguard.h:315</div></div>
<div class="ttc" id="astructdns__header_html"><div class="ttname"><a href="structdns__header.html">dns_header</a></div><div class="ttdef"><b>Definition:</b> netguard.h:270</div></div>
<div class="ttc" id="astructdns__rr_html"><div class="ttname"><a href="structdns__rr.html">dns_rr</a></div><div class="ttdef"><b>Definition:</b> netguard.h:303</div></div>
<div class="ttc" id="astructicmp__session_html"><div class="ttname"><a href="structicmp__session.html">icmp_session</a></div><div class="ttdef"><b>Definition:</b> netguard.h:109</div></div>
<div class="ttc" id="astructip6__hdr__pseudo_html"><div class="ttname"><a href="structip6__hdr__pseudo.html">ip6_hdr_pseudo</a></div><div class="ttdef"><b>Definition:</b> netguard.h:224</div></div>
<div class="ttc" id="astructng__session_html"><div class="ttname"><a href="structng__session.html">ng_session</a></div><div class="ttdef"><b>Definition:</b> netguard.h:199</div></div>
<div class="ttc" id="astructpcap__hdr__s_html"><div class="ttname"><a href="structpcap__hdr__s.html">pcap_hdr_s</a></div><div class="ttdef"><b>Definition:</b> netguard.h:239</div></div>
<div class="ttc" id="astructpcaprec__hdr__s_html"><div class="ttname"><a href="structpcaprec__hdr__s.html">pcaprec_hdr_s</a></div><div class="ttdef"><b>Definition:</b> netguard.h:249</div></div>
<div class="ttc" id="astructsegment_html"><div class="ttname"><a href="structsegment.html">segment</a></div><div class="ttdef"><b>Definition:</b> netguard.h:100</div></div>
<div class="ttc" id="astructtcp__session_html"><div class="ttname"><a href="structtcp__session.html">tcp_session</a></div><div class="ttdef"><b>Definition:</b> netguard.h:158</div></div>
<div class="ttc" id="astructudp__session_html"><div class="ttname"><a href="structudp__session.html">udp_session</a></div><div class="ttdef"><b>Definition:</b> netguard.h:134</div></div>
<div class="ttc" id="astructuid__cache__entry_html"><div class="ttname"><a href="structuid__cache__entry.html">uid_cache_entry</a></div><div class="ttdef"><b>Definition:</b> netguard.h:211</div></div>
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